interstellar hydrogen 中文意思是什麼
interstellar hydrogen
解釋
星際氫- interstellar : adj. 【天文學】星際的。 interstellar aeronautics 星際航行。 interstellar space 星際空間。
- hydrogen : n. 【化學】氫。
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Interstellar hydrogen will emit a characteristic wave with wavelength 21cm. most of the sources of this wave are gas clouds in the spiral arms. second to the 21cm emission, the radio wave emitted by the molecular gas clouds in the arms are also good spiral arm tracers
在旋臂中的氫氣分子云，會發射出波長為21厘米的無線電波，只要探測這些無線電波在天空中的強度分佈，便可推算出旋臂的結構。 -
25 march 2003 - - supermassive black holes, notorious for ripping apart and swallowing stars, might also help seed interstellar space with the elements necessary for life, such as hydrogen, carbon, oxygen and iron, scientists say
科學家們說，以吞噬恆星而聞名的超大質量黑洞和很可能也會產生生命需要的一些元素，如氫，炭，氧和鐵。
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